On this pageSpecs Weekend camping and multi-device basecamp CPAP and essential-device outage backup 12V compressor fridge, astro mount, and voltage-sensitive DC gear Daily cycling and buy-it-for-a-decade

Anker 535vsJackery Explorer 500 (2026)

Two ~512 Wh, 500W power stations that split almost entirely on chemistry, charging speed, ports, DC output regulation, and price. Both are older units sold at steep discounts ($299.99 Anker, $329 Jackery), and both share a hard 500W ceiling that eliminates anyone needing to run appliances with heating elements—coffee makers, space heaters, and most microwaves trip the inverter on both. The right answer depends on what you’re plugging in and how often you’ll cycle it.

Anker 535 PowerHouse

$299.99

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Jackery Explorer 500

$329

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Prices and availability change frequently

Spec	Anker 535 PowerHouse	Jackery Explorer 500
Capacity	512 Wh	518 Wh
Rated output	500W	500W
Surge		1000W^*
Weight	~16.5 lb	13.3 lb
Chemistry	LiFePO4	Lithium-ion NMC
Cycle life to 80%	~3,000 cycles	500 cycles
Warranty	5 years	2+1 years
Recharge AC	~2.5 hr to 80% / ~4.5–5 hr full	7.5 hr
Recharge solar	~6–8 hr	~9–10+ hr
Solar input max	120W	~58–65W effective
AC outlets	4	1
USB-A	3	3 (30W total)
USB-C	1 (60W PD)	0
DC 12V	1 car port	2 regulated (13.2V) + 1 car port
Price	$299.99	$329
Price per Wh	$0.586	$0.635

^*Jackery surge spec contradicted by independent testing—small appliances under 500W trip the inverter on startup. Blanks indicate figures not recorded in our research, not absent features.

Weekend camping and multi-device basecamp

For anyone carrying a power station to a campsite or RV to run lights, a fan, phones, tablets, a laptop, and maybe a small fridge over a weekend to a few days with wall or car recharge between trips.
Recharges in roughly a third of the time (2.5 hours to 80% vs. 7.5 hours full on the Jackery), adding USB-C Power Delivery and four AC outlets vs. the Jackery’s single AC outlet and USB-A only. Independent testing measured a phone, laptop, Switch, and headphones charging simultaneously while the pack dropped only to 74% over 3.5 hours across a 9-port layout.
The Jackery is 3.2 pounds lighter (13.3 vs. ~16.5 pounds), making it easier to haul a short distance to a site. If your camping load is light and weight is your single priority, that’s a legitimate reason to take it—but you pay $30 more for older chemistry and slow ports to do it.
Both deliver ~430–460 Wh usable at mixed mid-load across AC and USB; the tie breaks on faster turnaround, more ports, longer cycle life, and lower price.

CPAP and essential-device outage backup

For keeping a CPAP, phones, a router, and a lamp alive silently through a 12–48 hour outage where wall power may be down and reliability matters most.
Power-saving mode can be disabled so a CPAP runs continuously overnight without the unit shutting off. LiFePO4 chemistry with a 5-year warranty and clean reliability record in testing. Runs a 30–60W CPAP for 12+ hours continuous or 8–10 nights.
The Jackery carries a low-load auto-shutoff (under ~10W sustained) that independent testing flagged as a food-spoilage risk for a fridge cycling on cool nights, and the same logic threatens any low-draw overnight load unless you keep a supplementary load plugged in. A recurring cluster of inverter and display failures in the 1–4 year window with no repair path undermines the set-and-forget reliability case.
The Jackery does run a CPAP well on its 12V DC port (4–6 nights with humidity off), but that doesn’t rescue the set-and-forget reliability profile. Neither unit is a true continuous UPS; the Anker’s switchover is effectively instant (~20 milliseconds), but any sustained load above ~120W outruns the charger.

12V compressor fridge, astro mount, and voltage-sensitive DC gear

For anyone whose primary load is a 12V compressor fridge or cooler, a telescope mount, a ham radio, or similar gear that runs off the DC port and cares about voltage stability as the battery drains, often hauled to a remote or dark-sky site.
Independent testing confirms a regulated 13.2–13.4V DC output held steady under load until the battery is nearly empty—owners repeatedly cite this as the specific reason they chose it over units whose 12V sags after a fraction of charge. Delivers ~2–3 days of fridge runtime via DC (one owner logged 35+ hours via DC vs. ~25 hours through the AC inverter on the same fridge). The astro example—9–10 hours powering a mount, mini-PC, camera, and dew heater—is the same regulated-DC strength in a different application. The 3.2-pound weight advantage makes it easier to carry to a remote site.
The Anker’s review makes no regulated-DC claim of any kind; its 12V is a standard car-style output, so the unit with the confirmed edge wins the corner that depends on it.
A compressor that cycles infrequently on a cool night can drop the Jackery’s draw under ~10W and trip the auto-shutoff, killing the fridge—independent testing names this as a real food-spoilage scenario. The documented workaround is to keep a small supplementary load plugged in; there’s no firmware fix. Buy it for this job with that habit baked in.

Daily cycling and buy-it-for-a-decade

For anyone who wants a backup bought once and forgotten, or one cycled hard several times a week in van-life daily use or frequent trips, where endurance is the whole question.
LiFePO4 pack rated to ~3,000 cycles to 80% (roughly a decade at 3–4 charges per week) behind a 5-year warranty, with no measurable capacity drop across 50+ test cycles. Costs $30 less at $0.586 per Wh vs. $0.635 per Wh.
The Jackery is NMC lithium-ion rated to 500 cycles to 80% with a 2+1 year warranty and a recurring cluster of out-of-warranty inverter and display failures. For infrequent emergency use the chemistry is fine for years; for anything resembling daily cycling it reaches functional end-of-life far sooner.

True of both units — Both units share a hard 500W output ceiling. A 659-watt hair dryer triggered immediate shutdown on the Anker; basic coffee makers, blenders, and small heaters trip the Jackery’s inverter on startup surge despite its 1000W surge spec. Microwaves, space heaters, toaster ovens, and most coffee makers are out on both. If that’s your load, neither unit is the answer—step up a class.

The bottom line

The Anker 535 wins three of the four corners—weekend camping on faster recharge and more ports, CPAP and outage backup on defeatable power-saving and a 5-year warranty, and daily cycling on LiFePO4 chemistry rated to 3,000 cycles. The Jackery Explorer 500 wins the one corner that requires its regulated 13.2V DC output: 12V compressor fridges, telescope mounts, and other voltage-sensitive DC gear. The same hardware, different jobs. The Jackery’s low-load auto-shutoff and out-of-warranty failure cluster sink the set-and-forget reliability case; its regulated DC port is a genuine asset in the third segment and simply doesn’t get weighted in the other three. Both units are older models sold at steep discounts; at full retail neither is competitive against the 2024–2026 field.

Read the full Anker 535 PowerHouse review Read the full Jackery Explorer 500 review